by topsquark
Thank you so much, both of you. I understand what's been said so far.
I have added to the code a bit. I can state my eventual goal, now that the preliminaries are out of the way. I have just
one little problem left.
What I want to do is determine the quadrant of a point, whether given in coordinates or
as a coordinate. I need to distinguish if I'm looking at (X) or (\x,\y), respectively. Now, from an earlier question, I've actually learned how to do this. I can create a new pair of commands: point and coords, that will take care of that. What I need to do is structure the command "quadrant" to take the form:
\quadrant{point}{X}{}
or
\quadrant{coords}{3}{2}
I've even set this up already. (See the code below.) (Note: to print out the three possibles, I've added an extra argument to \quadrant to print out a dot on the correct line.)
My problem is this. In order for the command quadrant to use either point or coords, I have to put the "if" statement inside a scope. Now, I can do anything I want inside the scope (I've currently got it printing a red dot if I'm using point and a blue dot if I'm using coords), but I need to define \x and \y depending on which option is being used. But if I'm inside the scope, I lose that information when I end the scope.
To be more precise:
I have a subroutine to use to get the x,y coordinates from X, so if I'm using point I do that.
If I'm using coords, I already have the x,y coordinates and I just set them to be \x = x and \y = y.
But I lose this information once I pass outside the scope, so the coordinates \x and \y are undefined when I try to find the quadrant. (newcommand\q{...}). I need to "hard save" the macro values \x and \y.
I know (somewhere on the net) I've seen a solution to this problem, but I don't recall where or how to do it.
Any suggestions?
Thanks!
-Dan
Code: Select all
Code, edit and compile here:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Run LaTeX here
Thank you so much, both of you. I understand what's been said so far.
